The following solvers are used as references for the NITCH calculations in this month. The time indicated is their average solving time for error-free puzzles during the prior six months. The solvers average NITCH for each day of week is also shown, with the number of solutions for that day.
| Rank | Solver | Solutions used | Average time | Mon | Tue | Wed | Thu | Fri |
|---|---|---|---|---|---|---|---|---|
| 1 | Magoo | 24111 | 06:16 | 87 (14) | 104 (16) | 105 (14) | 101 (16) | 101 (14) |
| 2 | Eamon Ryan | 44891 | 06:44 | 89 (25) | 92 (24) | 110 (23) | 99 (25) | 108 (24) |
| 3 | Jason | 50790 | 07:37 | 84 (24) | 93 (24) | 110 (24) | 96 (24) | 114 (25) |
| 4 | mistigris | 42677 | 08:46 | 86 (19) | 102 (19) | 100 (16) | 93 (18) | 117 (19) |
| 5 | verlaine | 53447 | 08:49 | 87 (25) | 96 (25) | 105 (19) | 101 (23) | 114 (19) |
| 6 | Ron's mum | 16156 | 09:17 | 98 (10) | 141 (7) | 73 (7) | 72 (7) | 111 (8) |
| 7 | aphis99 | 60978 | 09:19 | 81 (23) | 101 (24) | 107 (24) | 99 (24) | 108 (24) |
| 8 | Midas | 66511 | 09:48 | 90 (25) | 98 (25) | 102 (24) | 100 (25) | 107 (24) |
| 9 | richard | 34117 | 10:31 | 80 (12) | 103 (14) | 92 (15) | 113 (15) | 112 (8) |
| 10 | AlanS | 70506 | 10:40 | 97 (25) | 89 (24) | 100 (24) | 93 (23) | 119 (24) |
| 11 | chindit | 61057 | 11:03 | 85 (21) | 94 (22) | 103 (16) | 103 (22) | 114 (21) |
| 12 | asaldanha | 69731 | 11:44 | 97 (23) | 86 (23) | 96 (17) | 99 (24) | 119 (22) |
| 13 | lickert | 74529 | 11:49 | 83 (22) | 101 (23) | 98 (21) | 101 (24) | 113 (25) |
| 14 | chriswords | 72174 | 11:54 | 91 (24) | 104 (19) | 97 (25) | 103 (24) | 106 (19) |
| 15 | glheard | 58758 | 12:05 | 92 (19) | 96 (17) | 111 (17) | 96 (22) | 106 (16) |
| 16 | Derek Harrison | 40658 | 12:32 | 86 (6) | 89 (15) | 107 (17) | 99 (15) | 109 (11) |
| 17 | Topical Tim | 77329 | 12:45 | 88 (22) | 105 (24) | 102 (18) | 100 (24) | 103 (23) |
| 18 | Tom Stubbs | 83659 | 13:16 | 88 (25) | 91 (23) | 103 (19) | 100 (24) | 116 (24) |
| 19 | Spur58 | 50332 | 13:18 | 87 (14) | 101 (15) | 103 (16) | 100 (17) | 108 (11) |
| 20 | keriothe_ | 75908 | 14:12 | 85 (21) | 108 (20) | 111 (17) | 96 (22) | 101 (19) |
| 21 | PGooden | 59958 | 14:16 | 87 (17) | 102 (17) | 108 (15) | 93 (18) | 113 (13) |
| 22 | neilr | 93726 | 14:19 | 83 (25) | 96 (24) | 100 (21) | 98 (24) | 120 (25) |
| 23 | Silva | 83838 | 14:24 | 86 (24) | 103 (25) | 96 (14) | 105 (23) | 107 (21) |
| 24 | Stavros | 83723 | 14:32 | 88 (22) | 90 (21) | 99 (22) | 105 (22) | 118 (19) |
| 25 | noidea | 67457 | 14:36 | 93 (20) | 101 (18) | 103 (16) | 97 (19) | 107 (14) |
| 26 | p.wild | 101352 | 14:49 | 92 (25) | 96 (25) | 100 (25) | 105 (25) | 106 (24) |
| 27 | Ben Staveley | 42229 | 14:58 | 83 (7) | 95 (16) | 106 (11) | 81 (11) | 126 (12) |
| 28 | mikegrocott | 65428 | 15:08 | 83 (17) | 95 (12) | 106 (20) | 104 (16) | 108 (17) |
| 29 | fshephe | 102138 | 15:11 | 93 (23) | 97 (25) | 110 (24) | 96 (25) | 102 (25) |
| 30 | Jon88 | 97890 | 15:32 | 88 (24) | 97 (23) | 101 (23) | 104 (23) | 108 (22) |
| 31 | jimpen | 78680 | 15:36 | 78 (21) | 104 (20) | 105 (19) | 98 (17) | 116 (17) |
| 32 | Sheapey | 100228 | 15:45 | 77 (22) | 88 (24) | 113 (22) | 103 (25) | 117 (23) |
| 33 | Groucho | 78361 | 15:55 | 90 (25) | 104 (18) | 109 (19) | 96 (16) | 103 (14) |
| 34 | SimonAnthony | 77663 | 15:58 | 78 (20) | 102 (19) | 102 (20) | 119 (17) | 100 (15) |
| 35 | Tibthorpe | 105421 | 16:07 | 75 (25) | 99 (24) | 112 (25) | 98 (24) | 116 (21) |
| 36 | Malcj | 98481 | 16:15 | 84 (22) | 102 (23) | 102 (21) | 90 (22) | 119 (23) |
| 37 | Spanna | 36120 | 16:16 | 94 (14) | 101 (8) | 100 (11) | 99 (8) | 113 (6) |
| 38 | cyrillic | 72409 | 16:31 | 88 (17) | 97 (18) | 103 (19) | 102 (17) | 111 (12) |
| 39 | Sue Sweeper | 66874 | 17:08 | 70 (14) | 99 (14) | 92 (12) | 100 (18) | 128 (17) |
| 40 | phthisis | 83084 | 17:45 | 87 (19) | 95 (16) | 113 (15) | 99 (19) | 106 (19) |
| 41 | David Crooks | 107275 | 18:03 | 84 (23) | 103 (22) | 105 (23) | 101 (22) | 106 (19) |
| 42 | MikeOsborne | 113052 | 18:17 | 83 (25) | 100 (24) | 112 (19) | 97 (24) | 111 (21) |
| 43 | sotira | 98655 | 18:28 | 81 (18) | 100 (20) | 107 (16) | 96 (21) | 111 (24) |
| 44 | robinh | 122480 | 18:33 | 90 (25) | 98 (24) | 107 (23) | 93 (23) | 109 (25) |
| 45 | JezWoolfrey | 74056 | 19:17 | 84 (13) | 84 (16) | 107 (16) | 101 (13) | 119 (16) |
| 46 | OliviaRhineb | 131625 | 19:24 | 81 (25) | 98 (24) | 103 (25) | 104 (25) | 112 (24) |
| 47 | GMcD | 135118 | 19:45 | 84 (25) | 95 (25) | 102 (24) | 103 (25) | 114 (25) |
| 48 | RobR | 71229 | 20:49 | 95 (15) | 93 (16) | 97 (11) | 112 (15) | 100 (10) |
| 49 | Squallaby | 105371 | 20:54 | 79 (22) | 94 (23) | 111 (14) | 107 (20) | 118 (15) |
| 50 | annelambirth | 88408 | 21:21 | 86 (18) | 100 (14) | 102 (16) | 94 (17) | 122 (14) |
| 51 | LouWeed | 144400 | 21:29 | 92 (24) | 96 (25) | 101 (24) | 100 (25) | 109 (24) |
| 52 | mcjwright | 133005 | 21:31 | 82 (23) | 106 (22) | 101 (22) | 90 (23) | 120 (23) |
| 53 | sampson | 80262 | 21:34 | 98 (17) | 100 (19) | 104 (11) | 90 (15) | 112 (10) |
| 54 | Zabadak | 142538 | 21:47 | 87 (25) | 97 (24) | 107 (23) | 96 (23) | 112 (24) |
| 55 | Craven | 142574 | 21:48 | 88 (24) | 99 (25) | 100 (22) | 99 (24) | 111 (24) |
| 56 | barracuda | 148076 | 21:50 | 89 (25) | 97 (25) | 106 (25) | 98 (23) | 108 (25) |
| 57 | John Arnold | 85842 | 22:21 | 85 (19) | 102 (13) | 117 (11) | 82 (16) | 124 (15) |
| 58 | pterodactyl | 104821 | 22:23 | 90 (20) | 103 (17) | 109 (16) | 88 (17) | 109 (18) |
| 59 | poskir | 119760 | 22:40 | 101 (20) | 101 (20) | 104 (18) | 94 (21) | 99 (19) |
| 60 | benedick | 87493 | 22:47 | 73 (13) | 108 (19) | 104 (15) | 99 (14) | 107 (13) |
| 61 | Kevin Gregg | 126895 | 23:14 | 82 (19) | 97 (22) | 118 (21) | 84 (20) | 115 (19) |
| 62 | Ed freshpot | 121310 | 23:30 | 89 (21) | 93 (18) | 114 (20) | 90 (16) | 109 (21) |
| 63 | gbestanley | 114707 | 23:36 | 90 (21) | 101 (16) | 102 (18) | 93 (19) | 115 (17) |
| 64 | Looch | 107186 | 23:49 | 80 (17) | 99 (18) | 116 (18) | 87 (14) | 111 (18) |
| 65 | Edprof | 109704 | 24:42 | 87 (19) | 95 (17) | 107 (20) | 95 (17) | 125 (11) |
| 66 | Solver52 | 166381 | 24:58 | 88 (24) | 104 (24) | 106 (24) | 93 (24) | 106 (25) |
| 67 | rjcassidy | 133702 | 25:02 | 84 (22) | 105 (22) | 103 (21) | 92 (18) | 117 (16) |
| 68 | zythum | 122414 | 25:11 | 90 (20) | 104 (18) | 104 (18) | 96 (18) | 105 (17) |
| 69 | colin2355 | 129954 | 25:11 | 83 (17) | 92 (22) | 89 (20) | 94 (18) | 138 (19) |
| 70 | phmfantom | 163041 | 27:26 | 84 (23) | 105 (20) | 101 (21) | 92 (21) | 115 (24) |
| 71 | Chadwick | 140378 | 27:51 | 87 (17) | 95 (18) | 108 (19) | 99 (20) | 106 (20) |
| 72 | dont_panic | 156392 | 28:19 | 88 (20) | 91 (23) | 117 (21) | 100 (18) | 100 (20) |
| 73 | Mkgnao | 101344 | 28:37 | 93 (14) | 97 (17) | 113 (11) | 88 (17) | 120 (10) |
| 74 | iagmathewson | 70060 | 29:11 | 82 (10) | 98 (13) | 107 (10) | 95 (8) | 117 (9) |
| 75 | dec | 112332 | 29:15 | 85 (15) | 100 (16) | 110 (17) | 97 (15) | 106 (11) |
| 76 | struggler | 192136 | 29:39 | 93 (25) | 100 (25) | 103 (21) | 101 (25) | 102 (22) |
| 77 | William M | 145446 | 30:18 | 76 (16) | 96 (17) | 111 (18) | 95 (20) | 116 (19) |
| 78 | Manveru | 111150 | 30:22 | 87 (16) | 99 (13) | 109 (14) | 99 (14) | 107 (14) |
| 79 | NAPASAI | 121336 | 31:06 | 98 (16) | 100 (11) | 90 (20) | 105 (15) | 110 (13) |
| 80 | fudgiebates | 86273 | 31:57 | 75 (13) | 94 (11) | 101 (7) | 105 (14) | 131 (10) |
| 81 | branch | 99890 | 32:00 | 66 (11) | 108 (14) | 106 (11) | 110 (14) | 102 (12) |
| 82 | cassandra | 222470 | 32:14 | 93 (25) | 99 (25) | 103 (25) | 102 (25) | 100 (25) |
| 83 | nekabue | 200745 | 32:28 | 86 (23) | 89 (24) | 111 (22) | 105 (21) | 108 (23) |
| 84 | koro | 228646 | 33:43 | 86 (24) | 99 (25) | 101 (24) | 103 (25) | 109 (25) |
| 85 | rosselliot | 158566 | 33:52 | 89 (22) | 96 (16) | 107 (16) | 96 (18) | 113 (16) |
| 86 | FelicityTT | 108670 | 34:10 | 88 (12) | 95 (14) | 109 (13) | 91 (7) | 106 (17) |
| 87 | ulaca | 140836 | 34:31 | 82 (17) | 103 (16) | 103 (14) | 96 (17) | 119 (14) |
| 88 | Glyndwr | 190569 | 35:17 | 87 (24) | 108 (20) | 107 (19) | 96 (20) | 104 (17) |
| 89 | Big Nug | 238068 | 35:25 | 82 (24) | 96 (25) | 98 (25) | 109 (24) | 113 (24) |
| 90 | JohnDun | 227491 | 35:46 | 73 (24) | 99 (23) | 108 (24) | 98 (23) | 121 (22) |
| 91 | Jeeves | 100799 | 36:31 | 91 (12) | 105 (9) | 112 (9) | 84 (14) | 113 (12) |
| 92 | eniamretrauq | 158947 | 37:50 | 94 (12) | 96 (14) | 105 (18) | 84 (17) | 115 (19) |
| 93 | Tudds | 250794 | 39:03 | 87 (24) | 95 (23) | 106 (23) | 104 (23) | 106 (24) |
| 94 | Crippens1 | 235750 | 39:17 | 76 (25) | 102 (25) | 115 (21) | 91 (19) | 117 (20) |
| 95 | 1234 | 255219 | 40:07 | 83 (23) | 105 (25) | 103 (22) | 94 (24) | 114 (22) |
| 96 | empty | 280328 | 40:59 | 89 (25) | 103 (25) | 105 (24) | 98 (25) | 102 (25) |
| 97 | JerryR | 196856 | 49:42 | 73 (16) | 97 (16) | 109 (16) | 115 (15) | 106 (13) |